perfSONAR User Q&A and Other Discussion

[Jason Zurawski <>]

Thanks Mikel.  I have filed a bug on this for tracking purposes, if you see 
anything else let us know:

https://code.google.com/p/perfsonar-ps/issues/detail?id=1019

Thanks;

-jason

> On Dec 9, 2014, at 12:29 PM, Pennington, Michael 
> <>
>  wrote:
> 
> Few more logs in case you want to check them out. 
> 
>  
> 
> Mike Pennington
> 
> Network Engineer
> 
> Connecticut Education Network (CEN)
> 
> 860-622-4566
> 
> 
>  
> 
> www.cen.ct.gov
> 
>  
> 
> From: Pennington, Michael 
> Sent: Tuesday, December 09, 2014 12:19 PM
> To: 'Andrew Lake'; 
> ''
> Cc: 'Jeremy Palmer'
> Subject: RE: [perfsonar-user] Network Diagnostic Tester (NDT) service keeps 
> dying on 3.4.1 toolkit host, web100srv not running
> 
>  
> 
> I came in this morning and noticed the NDT service was not running.  Here 
> are the logs.  Going to restart it now.  I did add the --debug but the logs 
> still don't look like they have much info.
> 
>  
> 
> <image001.png>
>  
> 
> If there is anything else you want me to send over just let me know.
> 
>  
> 
> Mike
> 
>  
> 
> Mike Pennington
> 
> Network Engineer
> 
> Connecticut Education Network (CEN)
> 
> 860-622-4566
> 
> 
>  
> 
> www.cen.ct.gov
> 
>  
> 
>  
> 
> -----Original Message-----
> From: Pennington, Michael 
> Sent: Tuesday, December 02, 2014 2:28 PM
> To: 'Andrew Lake'; 
> 
> Cc: Jeremy Palmer
> Subject: RE: [perfsonar-user] Network Diagnostic Tester (NDT) service keeps 
> dying on 3.4.1 toolkit host, web100srv not running
> 
>  
> 
> I've attached the 5 logs we have, and I do see the same type of entry in 
> the logs on our end as well, attached for your viewing pleasure.
> 
>  
> 
> Mike Pennington
> 
> Network Engineer
> 
> Connecticut Education Network (CEN)
> 
> 860-622-4566
> 
> 
>  
> 
> www.cen.ct.gov
> 
>  
> 
>  
> 
> -----Original Message-----
> 
> From: Andrew Lake 
> [mailto:]
> 
> Sent: Tuesday, December 02, 2014 2:10 PM
> 
> To: 
> 
> 
> Cc: Pennington, Michael; Jeremy Palmer
> 
> Subject: Re: [perfsonar-user] Network Diagnostic Tester (NDT) service keeps 
> dying on 3.4.1 toolkit host, web100srv not running
> 
>  
> 
> Hi,
> 
>  
> 
> Also is there anything in /var/log/ndt/fakewww_error.log? I noticed on one 
> of our toolkit hosts it was down today and this was the last line in this 
> log:
> 
>  
> 
> [Tue Dec 02 08:35:29 2014] [error] [client 180.76.6.134] Permission denied: 
> path not allowed: /robots.txt
> 
>  
> 
> Curious if you have anything similar, possibly a web crawler is confusing 
> fakewww?
> 
>  
> 
> Thanks,
> 
> Andy
> 
>  
> 
>  
> 
> On Dec 2, 2014, at 2:00 PM, Jason Zurawski 
> <>
>  wrote:
> 
>  
> 
> > And not super useful.  Lets try to make it more useful, edit 
> > /etc/sysconfig/ndt, and add "—debug" to the WEB100SRV_OPTIONS line.  
> > After that, restart ndt.  Maybe in a couple of days, checkthere may be 
> > logs to back it up. 
> 
> >
> 
> > Thanks;
> 
> >
> 
> > -jason
> 
> >
> 
> > On Dec 2, 2014, at 1:47 PM, Pennington, Michael 
> > <>
> >  wrote:
> 
> >
> 
> >> Log attached, it's super small though.
> 
> >>
> 
> >> NDT version:
> 
> >>
> 
> >> rpm -qa | grep ndt
> 
> >> ndt-3.6.5.2-6.el6.x86_64
> 
> >> ndt-client-3.6.5.2-6.el6.x86_64
> 
> >> ndt-server-3.6.5.2-7.x86_64
> 
> >>
> 
> >>
> 
> >> Mike Pennington
> 
> >> Network Engineer
> 
> >> Connecticut Education Network (CEN)
> 
> >> 860-622-4566
> 
> >> 
> 
> >> www.cen.ct.gov
> 
> >>
> 
> >>
> 
> >> -----Original Message-----
> 
> >> From: Jason Zurawski 
> >> [mailto:]
> 
> >> Sent: Tuesday, December 02, 2014 1:40 PM
> 
> >> To: Pennington, Michael; Jeremy Palmer
> 
> >> Cc: 
> >> 
> 
> >> Subject: Re: [perfsonar-user] Network Diagnostic Tester (NDT) service 
> >> keeps dying on 3.4.1 toolkit host, web100srv not running
> 
> >>
> 
> >> Hey Guys;
> 
> >>
> 
> >> I guess the best thing to start off would be sending 
> >> '/var/log/ndt/web100srv.log’, it may not have what we need though.  Also 
> >> send the version of NDT you are using, e.g.
> 
> >>
> 
> >>> [zurawski@localhost
> >>>  ~]$ rpm -qa | grep ndt
> 
> >>> ndt-3.6.5.2-6.el6.x86_64
> 
> >>> ndt-client-3.6.5.2-6.el6.x86_64
> 
> >>> ndt-server-3.6.5.2-6.el6.x86_64
> 
> >>
> 
> >> Thanks;
> 
> >>
> 
> >> -jason
> 
> >>
> 
> >> On Dec 2, 2014, at 1:11 PM, Pennington, Michael 
> >> <>
> >>  wrote:
> 
> >>
> 
> >>> I've noticed the same thing on my end, I just restart it and it seems 
> >>> fine as well.  Sometimes for a day or two, sometimes for a week or two. 
> >>>  Haven't looked into it, but you aren't alone.
> 
> >>>
> 
> >>> Mike
> 
> >>>
> 
> >>> Mike Pennington
> 
> >>> Network Engineer
> 
> >>> Connecticut Education Network (CEN)
> 
> >>> 860-622-4566
> 
> >>> 
> 
> >>> www.cen.ct.gov
> 
> >>>
> 
> >>>
> 
> >>> -----Original Message-----
> 
> >>> From: 
> >>> 
> >>>  
> >>> [mailto:]
> >>>  On Behalf Of Jeremy Palmer
> 
> >>> Sent: Tuesday, December 02, 2014 1:06 PM
> 
> >>> To: 
> >>> 
> 
> >>> Subject: [perfsonar-user] Network Diagnostic Tester (NDT) service keeps 
> >>> dying on 3.4.1 toolkit host, web100srv not running
> 
> >>>
> 
> >>> Ever since upgrading my toolkit hosts to 3.4.1, the NDT service 
> >>> randomly stops running (shows as "Not Running" on the toolkit 
> >>> homepage). If you try to run a NDT test, it gives the error"Server 
> >>> process not running: Start web100srv process on remote server".
> 
> >>> When I restart the NDT service, I always get the following:
> 
> >>>
> 
> >>> # service ndt restart
> 
> >>> Stopping web100srv:                                        [FAILED]
> 
> >>> Stopping fakewww:                                          [  OK  ]
> 
> >>> Starting web100srv:                                        [  OK  ]
> 
> >>> Starting fakewww:                                          [  OK  ]
> 
> >>>
> 
> >>> Once I restart it, it seems to run fine for a few days but eventually 
> >>> dies again. This seems to be occurring randomly on all of my 3.4.1 
> >>> toolkit hosts. I don't see anything of note in the 
> >>> /var/log/web100srv.log file.
> 
> >>>
> 
> >>> Anyone else having this issue or have any ideas on how to troubleshoot 
> >>> it?
> 
> >>>
> 
> >>> --
> 
> >>> Jeremy Palmer
> 
> >>> Senior Network Engineer
> 
> >>> ViaWest, Inc.
> 
> >>> Office: 720.891.1045
> 
> >>> Fax: 303-874-5236
> 
> >>> http://www.viawest.com
> 
> >> <web100srv.log>
> 
>  
> 
> <fakewww_error.log><fakewww_access.log><fakewww_access.log-20141207>